(adsbygoogle = window.adsbygoogle || []).push({}); Long story short if you don't wanna watch the whole vid, you can place your motion sensor on pretty much any window or overhang that is touching the top of your head while you're standing up. Also you can throw them over the edge of the map as long as there is a rooftop or something below that will catch them.

[ame=https://www.youtube.com/watch?v=nIWYvBTe16g]YouTube - Kowloon Motion Sensor Glitch Spots[/ame]